FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term sterile ID (Ontology) FBcv:0000364 (FlyBase CV)
Definition A phenotype that is the inability to produce fertilized eggs as a result of mating.
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Direct annotations: records annotated with this exact term (child terms are NOT included)
Data ClassFieldDirect annotations
Alleles (FBal)PHENOTYPIC_CLASS
Insertions (FBti)STERILITY
Constructs (FBtp)PHENOTYPIC_CLASS
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Insertions Constructs
 sterile (all annotations which use CV term, excluding "NOT" statements)
     sterile | dominant
      --
     sterile | dominant | maternal effect
      --
     sterile | female
     sterile | female | germline clone
      --       --
     sterile | female | germline clone | recessive
      --       --
     sterile | female | recessive
      --       --
     sterile | germline clone
      --       --
     sterile | germline clone | maternal effect
      --       --
     sterile | heat sensitive
      --       --
     sterile | male
     sterile | male limited
      --
     sterile | maternal effect
      --
     sterile | recessive
     sterile | recessive | heat sensitive
      --       --
     sterile | semidominant
      --       --
     sterile | temperature conditional
      --
Spanning Tree (Parents/Children)
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  phenotypic class
   |__phenotype
       |__sterile  7322 rec.
           |__female sterile 4718 rec.
           |   |__female sterile germline-dependent 72 rec.
           |   |__female sterile soma-dependent 24 rec.
           |__male sterile 2664 rec.
               |__male sterile germline-dependent 5 rec.
               |__male sterile soma-dependent
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